#21829D#21829D

#21829D is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.5% C 0.094 H 221.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#21829D
RGB	rgb(33, 130, 157)
HSL	hsl(193, 65%, 37%)
HSV	hsv(193, 79%, 62%)
CMYK	cmyk(79%, 17.2%, 0%, 38.4%)
CIE-LAB	lab(50.36, -17.69, -22.24)
CIE-LCH	lch(50.36, 28.41, 231.51°)
OKLab	oklab(56.48% -0.0708 -0.0623)
OKLCH	oklch(56.48% 0.094 221.3)
XYZ	xyz(14.6931, 18.7211, 34.7309)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21829D #9D3C21

analogous

#219D7A #21829D #21449D

triadic

#21829D #9D2182 #829D21

tetradic

#21829D #7A219D #9D3C21 #449D21

square

#21829D #7A219D #9D3C21 #449D21

split-complementary

#21829D #9D2144 #9D7A21

monochromatic

#0C2E38 #16586A #21829D #2CACD0 #5CC1DD

Accessibility & contrast

On white

4.43

#21829D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#21829D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21829D

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21829D	#FFFFFF	#000000	##000000
##21829D	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727F9E

Deuteranopia (green-blind)

#62739D

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #21829d;
/* rgb */ color: rgb(33, 130, 157);
/* oklch */ color: oklch(56.5% 0.094 221.3);

Tailwind

colors: {
  custom: {
    50: '#71a6ba',
    500: '#21829d',
    950: '#000000',
  },
}

SCSS

$custom: #21829d;
$custom-light: #71a6ba;
$custom-dark: #000000;

JSON

{
  "hex": "#21829d",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 157
  },
  "hsl": {
    "h": 193.065,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.56484,
    "c": 0.09427,
    "h": 221.3
  },
  "luminance": 0.18723
}

Semantic roles & 50–950 ramp

primary

#21829D

secondary

#C16F59

accent

#6440E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #21829D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →